from pydantic import BaseModel, Field
from typing import Optional
from datetime import datetime


class ItemCreate(BaseModel):
    name: str = Field(..., min_length=1, max_length=200, description="Item name")
    description: Optional[str] = Field(None, max_length=2000)
    category: Optional[str] = Field(None, max_length=100)
    tags: list[str] = Field(default_factory=list)
    metadata: dict = Field(default_factory=dict)

    model_config = {"json_schema_extra": {"example": {
        "name": "Sample Item",
        "description": "A sample github_actions item",
        "category": "default",
        "tags": ["github_actions"],
        "metadata": {},
    }}}


class ItemUpdate(BaseModel):
    name: Optional[str] = Field(None, min_length=1, max_length=200)
    description: Optional[str] = Field(None, max_length=2000)
    category: Optional[str] = None
    tags: Optional[list[str]] = None
    metadata: Optional[dict] = None


class ItemResponse(BaseModel):
    id: str
    name: str
    description: Optional[str]
    category: Optional[str]
    tags: list[str]
    metadata: dict
    created_by: str
    created_at: str
    updated_at: str


class HealthResponse(BaseModel):
    status: str
    service: str
    version: str
    timestamp: str
    items_count: int